/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.optaplanner.training.workerrostering.optional.domain;

import org.optaplanner.core.impl.heuristic.selector.common.decorator.SelectionFilter;
import org.optaplanner.core.impl.score.director.ScoreDirector;
import org.optaplanner.training.workerrostering.domain.Roster;
import org.optaplanner.training.workerrostering.domain.ShiftAssignment;
import org.optaplanner.training.workerrostering.domain.TimeSlotState;

public class MovableShiftAssignmentFilter implements SelectionFilter<Roster, ShiftAssignment> {

    @Override
    public boolean accept(ScoreDirector<Roster> scoreDirector, ShiftAssignment shiftAssignment) {
        return !shiftAssignment.isLockedByUser()
                && shiftAssignment.getTimeSlot().getTimeSlotState() != TimeSlotState.HISTORY;
    }

}
